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Technical Data Sheet
PartsTable / COMPONENT / NU4-2
NU4-2 ✓ Verified by PartsTable
— · MOTOR
WHAT YOU NEED TO KNOW
NEMA frame determines mounting bolt pattern TEFC for outdoor, ODP for dry indoor only
C-face vs foot-mount — different mounting
PRODUCT OVERVIEW

The NU4-2 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6105-01-016-4691, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
NU4-2
NSN: 6105-01-016-4691
FSC: 6105
CAGE: 98437 — ELLIS & WATTS INTERNATIONAL, LLC (USA)
SPECIFICATIONS
Part NumberNU4-2
NSN6105-01-016-4691
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: NU4-2 · OEM ⚠ VERIFY BEFORE ORDERING NEMA frame size determines mounting bolt pattern — not interchangeable. 56C ≠ 143T bolt pattern. C-face vs foot-mount vs flange — different mounting, same HP doesn't mean drop-in ✓ BROKER TIP TEFC = outdoor/washdown OK. ODP = dry indoor only. TENV = no external fan, explosion-proof areas. 1750 RPM = 4-pole (most common), 3450 RPM = 2-pole, 1150 RPM = 6-pole PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MOUNTING METHOD: FIXED BASE
•
FRAME SIZE DESIGNATION: 56
•
SHAFT END STYLE: FLAT KEYWAY SINGLE END
•
ENCLOSURE FEATURE: DRIPPROOF-15 DEG
•
WINDING TYPE: INDUCTION-SQUIRREL CAGE
•
NOMINAL CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 3.000 INCHES IN
•
SHAFT DIAMETER: 0.6250 INCHES NOMINAL SINGLE END IN
•
FREQUENCY IN HERTZ: 60.0 INPUT
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING METHODFIXED BASE
FRAME SIZE DESIGNATION56
SHAFT END STYLEFLAT KEYWAY SINGLE END
ENCLOSURE FEATUREDRIPPROOF-15 DEG
WINDING TYPEINDUCTION-SQUIRREL CAGE
NOMINAL CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH3.000 INCHES IN
SHAFT DIAMETER0.6250 INCHES NOMINAL SINGLE END IN
FREQUENCY IN HERTZ60.0 INPUT
SHAFT CENTER TO MOUNTING SURFACE DISTANCE3.500 INCHES SINGLE END IN
COOLING METHODFAN COOLED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
M3154Upgraded Successor
successor cross-reference
successor
00781568104217Upgraded Successor
successor cross-reference
successor
2625-15Upgraded Successor
successor cross-reference
successor
631-SPECIALInterchangeable
interchangeable cross-reference
interchangeable
135192-3Interchangeable
interchangeable cross-reference
interchangeable
135192Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NU4-2?
NU4-2 is a NU4-2.
What parts can replace NU4-2?
There are 6 known substitutes for NU4-2: M3154, 00781568104217, 2625-15 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NU4-2?
NU4-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6105-01-016-4691. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026